CN206696227U - A kind of multipurpose gas-solid catalysis device - Google Patents
A kind of multipurpose gas-solid catalysis device Download PDFInfo
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- CN206696227U CN206696227U CN201720442642.6U CN201720442642U CN206696227U CN 206696227 U CN206696227 U CN 206696227U CN 201720442642 U CN201720442642 U CN 201720442642U CN 206696227 U CN206696227 U CN 206696227U
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- inlet chamber
- reaction
- bleeder valve
- test
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Abstract
The utility model country discloses a kind of multipurpose gas-solid catalysis device, including inlet chamber, inlet chamber passes on left the 3rd gas bleeder valve and is connected with quadruple mass-spectrometer, it is connected above inlet chamber by the second sluice valve with molecular pump, it is connected on the right side of inlet chamber by the first sluice valve with reaction chamber, passes sequentially through the first gas bleeder valve below inlet chamber, the second gas bleeder valve is connected with gas cylinder；Rotary pump is connected with above the molecular pump；The reaction chamber upper wall is provided with observation window, and observation window upper end is provided with camera bellows, light source is provided with the top of camera bellows；Vacuum feedthroughs are provided with the right side of the reaction chamber, vacuum feedthroughs left end is connected with specimen holder, and specimen holder is provided with heater.It can carry out free conversion between the gas solid catalytic reaction test of heating is tested, are not required to light-catalyzed reaction test, the gas solid catalytic reaction that need to be heated, quickly and easily test catalytic activity of the same catalyst to different catalytic reaction types, abundant test-types, improve test speed.
Description
Technical field
A kind of catalyst reaction device is the utility model is related to, particularly a kind of multipurpose gas-solid catalysis device.
Background technology
Solve atmosphere pollution and remove indoor harmful gas be the very important subject under discussion of recent domestic environmental protection sector it
One.It is well known that the main source of atmosphere pollution is vehicle exhaust, its main component is carbon monoxide（CO）.In automobile exhaust
The CO in vehicle exhaust is catalyzed as catalysis material using noble metal in pipe, it is converted into nontoxic carbon dioxide
（CO2）, it is the Main Means for solving motor vehicle exhaust emission.However, currently used palladium（Pd）, platinum（Pt）Deng noble metal conduct
Initial reaction temperature required for catalyst is higher, at automobile start initial stage, it is impossible to which the pernicious gas CO in emission is entered
Row conversion, so as to cause the low phenomenon of its catalytic efficiency, and its material construction is expensive.Utilize nickel（Ni）, aluminum oxide（Al2O3）
Substitute noble metal as the catalyst in automobile exhaust pipe etc. relatively cheap metal or metal oxide, be that current research and development are new
The Main way of type catalyst.
Then it is that another is important for environmental protection sector using catalysis material come control atmosphere pollution and indoor harmful gaseous pollution
Subject under discussion.Photocatalysis technology has obtained the accreditation of international academic community as a kind of depollution of environment technology efficiently, safe.It is special
It is not conductor photocatalysis material, such as titanium dioxide（TiO2）, absorbable luminous energy is translated into chemical energy, purification of air,
There is huge application prospect in the fields such as sewage disposal, antibacterial and deodouring, antifog and automatically cleaning.Yet with TiO2Light conversion effect
Rate is than relatively low（About 5%）, can only be limited remove removing and harmful gas, so new, the efficient photochemical catalyst of research and development is also to be catalyzed now
The task of top priority on boundary.
However, when researching and developing above-mentioned two classes catalyst, the reaction unit requirement needed for it is again different.
The catalyst reaction device used both at home and abroad at present designs both for wherein certain a kind of catalyst, and lacking can
The device tested simultaneously above-mentioned two classes catalyst, thus some equipment with general character of repeat buying are needed, cause to provide
Source wastes.Scientists also found TiO2The composites such as base can meet the demand of above-mentioned two classes catalyst, Ke Yiyun simultaneously
Administered used in treating vehicle exhaust and photocatalysis in air.If using existing catalytic reaction device, test needs to separate
Carry out, the problems such as causing test period long, and the environmental factor such as temperature, humidity, air pressure, oxygen content, air-flow can also influence to be catalyzed
The test result of agent performance, it is difficult to quickly and accurately evaluate the performance of catalysis material.
The content of the invention
The purpose of this utility model is, there is provided a kind of multipurpose gas-solid catalysis device.It can freely and
Rapidly in light-catalyzed reaction test, the gas-solid catalysis test that need to be heated, the gas-solid catalysis survey for being not required to heating
Changed between examination, quickly and easily test catalytic activity of the same catalyst to different catalytic reaction types, it is abundant to urge
Change reaction test type, improve test speed.
The technical solution of the utility model：A kind of multipurpose gas-solid catalysis device, including inlet chamber, inlet chamber are left
Side is connected by the 3rd gas bleeder valve with quadruple mass-spectrometer, is connected above inlet chamber by the second sluice valve with molecular pump, inlet chamber
Right side is connected by the first sluice valve with reaction chamber, and the first gas bleeder valve, the second gas bleeder valve and gas cylinder are passed sequentially through below inlet chamber
Connection；Rotary pump is connected with above the molecular pump；The reaction chamber upper wall is provided with observation window, and observation window upper end is provided with camera bellows,
Light source is provided with the top of camera bellows；Vacuum feedthroughs, the connection of vacuum feedthroughs left end are provided with the right side of the reaction chamber
There is specimen holder, specimen holder is provided with heater.
Foregoing multipurpose gas-solid catalysis device, first gas bleeder valve connect more than two second and let out respectively
Air valve, the second gas bleeder valve other end are connected with gas cylinder.
Foregoing multipurpose gas-solid catalysis device, the observation window are made up of quartz glass.
Foregoing multipurpose gas-solid catalysis device, the heater include thermocouple and heater strip.
Compared with prior art, the utility model utilizes inlet chamber, reaction chamber, molecular pump, rotary pump, vacuum feedthrough seal
Part, gas bleeder valve, sluice valve etc. design environment needed for closed test, and light is provided for light-catalyzed reaction test by light source
Source, gas cylinder provides reacting gas for catalytic reaction, while can need replacing gas according to test catalytic reaction, passes through gas bleeder valve
The ratio between gas with various is adjusted exactly, simulation reaction environment, improves the accuracy of experiment, heater is to need to heat
Gas solid catalytic reaction test thermal source is provided so that device can freely, rapidly in light-catalyzed reaction test, the gas that need to heat
Solid catalysis reaction test, it is not required to be changed between the gas-solid catalysis test of heating, quickly and easily tests same
Kind catalyst enriches catalytic reaction test-types, improves test speed to the catalytic activity of different catalytic reaction types.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Mark in accompanying drawing for：1- molecular pumps, the sluice valves of 2- second, 3- light sources, 4- camera bellows, 5- observation windows, 6- are true
Empty feedthroughs, 7- specimen holders, 8- reaction chambers, the sluice valves of 9- first, 10- gas cylinders, the gas bleeder valves of 11- second, 12- first lose heart
Valve, 13- inlet chambers, 14- quadruple mass-spectrometers, the gas bleeder valves of 15- the 3rd, 16- rotary pumps.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment.A kind of multipurpose gas-solid catalysis device, form as shown in figure 1, including inlet chamber 13, inlet chamber
13 pass on left the 3rd gas bleeder valve 15 is connected with quadruple mass-spectrometer 14, quadruple mass-spectrometer 14 connect computer for analysis gas componant and
Content, and record data；The top of inlet chamber 13 is connected by the second sluice valve 2 with molecular pump 1, and the right side of inlet chamber 13 passes through first
Sluice valve 9 is connected with reaction chamber 8, and the lower section of inlet chamber 13 passes sequentially through the first gas bleeder valve 12, the second gas bleeder valve 11 connects with gas cylinder 10
Connect, the composition for entering gas in inlet chamber 13 can be controlled according to experiment demand；The top of molecular pump 1 is connected with rotation
Turn pump 16, molecular pump 1 can be with quick drain excessive gas with rotary pump 16；The upper wall of reaction chamber 8 is provided with observation window 5, observation
The upper end of window 5 is provided with camera bellows 4, and the top of camera bellows 4 is provided with light source 3, and light source 3 can produce ultraviolet, visible needed for experiment
The light source such as light, infrared, light source are irradiated on sample by observation window 5；The right side of reaction chamber 8 is provided with vacuum feedthroughs 6,
The left end of vacuum feedthroughs 6 is connected with specimen holder 7, is convenient for changing test sample；Specimen holder 7 is provided with heater, is sample
There is provided and heat；Above-mentioned part connection, in addition to the connection between camera bellows 4 and light source 3, miscellaneous part can pass through spiral shell
Silk is attached, and simply can be assembled and be dismantled and be repaired, while can ensure the vacuum tight of package unit
Property so that the vacuum in device may remain in 1 × 10-4 ~ 1×10-6In the range of torr.
First gas bleeder valve 12 connects more than two second gas bleeder valves 11, the connection of the other end of the second gas bleeder valve 11 respectively
There is gas cylinder 10, it is convenient that gas componant and its component ratio, simulation reaction environment are finely tuned according to experiment demand, improve the standard of experiment
True property.
The observation window 5 is made up of quartz glass, facilitates light source to understand, be intensively irradiated on sample.
The heater includes thermocouple and heater strip, and sample is heated convenience and temperature monitoring.
Operation principle：Gas-solid catalysis, it is that the catalyst of solid and reacting gas are placed on same space, one
Reacted under fixed temperature, pressure.The differences such as species, size and pattern according to catalyst, the reaction that can be catalyzed have
Do not had to.The sample for having prepared and having needed to carry out Catalysis experiments test is placed on specimen holder, then passes through vacuum break-through
Seal is moved in reaction chamber, the first sluice valve of coupled reaction chamber and inlet chamber is opened, and pass through molecular pump, rotary pump
Vacuumized, after vacuum needed for reaction to be achieved, following several operations are carried out according to the type of catalytic reaction：
（1）Photocatalysis
The gas for needing to be tested in gas cylinder is controlled to enter reaction chamber, air inlet by the first gas bleeder valve, the second gas bleeder valve
Chamber, manipulated by computer and run quadruple mass-spectrometer, then slowly open the 3rd gas bleeder valve, and air inflow is carried out in fact by computer
When observe, then open light source, by quadruple mass-spectrometer carry out light-catalyzed reaction measurement analyze and record.Test terminates
Afterwards, quadruple mass-spectrometer, light source, the first gas bleeder valve, the second gas bleeder valve are closed, then opens the second sluice valve, and by molecular pump,
Rotate pumped residual gas.
（2）Common gas and solid phase catalyzing
The gas for needing to be tested in gas cylinder is controlled to enter reaction chamber, air inlet by the first gas bleeder valve, the second gas bleeder valve
Chamber, operation quadruple mass-spectrometer is manipulated by computer, then slowly opens the 3rd gas bleeder valve, air inflow carried out by computer real-time
Observation, if necessary to heat to sample, then sample is heated by the heater being arranged on specimen holder
Processing, and sample temperature is observed using the thermocouple in heater, quadruple mass-spectrometer carries out light-catalyzed reaction
Measurement analysis and record.After test terminates, quadruple mass-spectrometer, light source, the first gas bleeder valve, the second gas bleeder valve are closed, is then beaten
The second sluice valve is opened, and passes through molecular pump, rotation pumped residual gas.
Claims (4)
- A kind of 1. multipurpose gas-solid catalysis device, it is characterised in that：Including inlet chamber（13）, inlet chamber（13）Left side leads to Cross the 3rd gas bleeder valve（15）With quadruple mass-spectrometer（14）Connection, inlet chamber（13）Top passes through the second sluice valve（2）With molecular pump （1）Connection, inlet chamber（13）Right side passes through the first sluice valve（9）With reaction chamber（8）Connection, inlet chamber（13）Lower section passes sequentially through First gas bleeder valve（12）, the second gas bleeder valve（11）With gas cylinder（10）Connection；The molecular pump（1）Top is connected with rotary pump （16）；The reaction chamber（8）Upper wall is provided with observation window（5）, observation window（5）Upper end is provided with camera bellows（4）, camera bellows（4）Top is provided with Light source（3）；The reaction chamber（8）Right side is provided with vacuum feedthroughs（6）, vacuum feedthroughs（6）Left end connects There is specimen holder（7）, specimen holder（7）Provided with heater.
- 2. multipurpose gas-solid catalysis device according to claim 1, it is characterised in that：First gas bleeder valve （12）More than two second gas bleeder valves are connected respectively（11）, the second gas bleeder valve（11）The other end is connected with gas cylinder（10）.
- 3. multipurpose gas-solid catalysis device according to claim 1, it is characterised in that：The observation window（5）By Quartz glass is made.
- 4. multipurpose gas-solid catalysis device according to claim 1, it is characterised in that：The heater includes Thermocouple and heater strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720442642.6U CN206696227U (en) | 2017-04-25 | 2017-04-25 | A kind of multipurpose gas-solid catalysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720442642.6U CN206696227U (en) | 2017-04-25 | 2017-04-25 | A kind of multipurpose gas-solid catalysis device |
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| Publication Number | Publication Date |
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| CN206696227U true CN206696227U (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720442642.6U Expired - Fee Related CN206696227U (en) | 2017-04-25 | 2017-04-25 | A kind of multipurpose gas-solid catalysis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404819A (en) * | 2018-04-19 | 2018-08-17 | 中国科学院理化技术研究所 | Photo-thermal synergetic gas-solid phase catalytic reaction device and application thereof |
-
2017
- 2017-04-25 CN CN201720442642.6U patent/CN206696227U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404819A (en) * | 2018-04-19 | 2018-08-17 | 中国科学院理化技术研究所 | Photo-thermal synergetic gas-solid phase catalytic reaction device and application thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20190425 |